KR920007452B1 - 디지탈 fm 복조장치 - Google Patents

디지탈 fm 복조장치 Download PDF

Info

Publication number
KR920007452B1
KR920007452B1 KR1019880016293A KR880016293A KR920007452B1 KR 920007452 B1 KR920007452 B1 KR 920007452B1 KR 1019880016293 A KR1019880016293 A KR 1019880016293A KR 880016293 A KR880016293 A KR 880016293A KR 920007452 B1 KR920007452 B1 KR 920007452B1
Authority
KR
South Korea
Prior art keywords
digital
signal
circuit
input
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
KR1019880016293A
Other languages
English (en)
Korean (ko)
Other versions
KR890011192A (ko
Inventor
요시히사 사카자키
Original Assignee
가부시기가이샤도시바
아오이 죠이치
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 가부시기가이샤도시바, 아오이 죠이치 filed Critical 가부시기가이샤도시바
Publication of KR890011192A publication Critical patent/KR890011192A/ko
Application granted granted Critical
Publication of KR920007452B1 publication Critical patent/KR920007452B1/ko
Expired legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/006—Signal sampling
    • H03D2200/0062—Computation of input samples, e.g. successive samples
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
KR1019880016293A 1987-12-08 1988-12-08 디지탈 fm 복조장치 Expired KR920007452B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62310020A JPH01151307A (ja) 1987-12-08 1987-12-08 デジタルｆｍ復調装置
JP310020 1987-12-08
JP62-310020 1987-12-08

Publications (2)

Publication Number Publication Date
KR890011192A KR890011192A (ko) 1989-08-14
KR920007452B1 true KR920007452B1 (ko) 1992-09-01

Family

ID=18000190

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880016293A Expired KR920007452B1 (ko) 1987-12-08 1988-12-08 디지탈 fm 복조장치

Country Status (4)

Country Link
US (1) US4875017A (enrdf_load_stackoverflow)
JP (1) JPH01151307A (enrdf_load_stackoverflow)
KR (1) KR920007452B1 (enrdf_load_stackoverflow)
DE (1) DE3841388A1 (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3158614B2 (ja) * 1992-03-26 2001-04-23 ソニー株式会社 デジタル復調装置
JP3025384B2 (ja) * 1993-01-13 2000-03-27 シャープ株式会社 デジタルｆｍ復調装置
ATE168837T1 (de) * 1993-03-25 1998-08-15 Bosch Gmbh Robert Verfahren zur demodulation von frequenzmodulierten signalen
EP0618672A1 (de) * 1993-03-31 1994-10-05 ANT Nachrichtentechnik GmbH Verfahren zur Demodulation von frequenzmodulierten Signalen
GB9319728D0 (en) * 1993-09-24 1993-11-10 Snell & Wilcox Ltd Video signal processing
US5661433A (en) * 1996-06-27 1997-08-26 Motorola, Inc. Digital FM demodulator
JP4294114B2 (ja) * 1998-03-02 2009-07-08 パイオニア株式会社 ディジタルｆｍ検波回路
US6833875B1 (en) * 1999-09-02 2004-12-21 Techwell, Inc. Multi-standard video decoder
US6377313B1 (en) 1999-09-02 2002-04-23 Techwell, Inc. Sharpness enhancement circuit for video signals
US20040143226A1 (en) * 2003-01-16 2004-07-22 Becton, Dickinson And Company Blood collection set with venting mechanism

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757007A (en) * 1980-09-24 1982-04-06 Nippon Telegr & Teleph Corp <Ntt> Orthogonal delay detecting circuit
DE3138464A1 (de) * 1981-09-26 1983-04-14 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen demodulation frequenzmodulierter signale
GB2113930B (en) * 1982-01-26 1985-03-13 Plessey Co Plc Frequency discriminator
US4547737A (en) * 1983-07-29 1985-10-15 Rca Corporation Demodulator of sampled data FM signals from sets of four successive samples
GB8528541D0 (en) * 1985-11-20 1985-12-24 Devon County Council Fm demodulator

Also Published As

Publication number Publication date
DE3841388C2 (enrdf_load_stackoverflow) 1993-09-02
KR890011192A (ko) 1989-08-14
DE3841388A1 (de) 1989-06-29
JPH01151307A (ja) 1989-06-14
US4875017A (en) 1989-10-17

Similar Documents

Publication Publication Date Title
US5926065A (en) Digital modulator having a digital filter including low-speed circuit components
KR920007452B1 (ko) 디지탈 fm 복조장치
EP0443945B1 (en) Sampling rate converter
US4159527A (en) Wave generator
JPH0631990B2 (ja) 波形の補間装置
KR900015447A (ko) 샘플링레이트 변환장치
EP0186521B1 (en) Digital phase difference detecting circuit
JP2510490B2 (ja) デイジタル変調器
KR900017405A (ko) 화상 신호 보간 회로
US4691170A (en) Frequency multiplier circuit
CA2054247A1 (en) Demodulation circuit for phase modulated signals
JPH05145900A (ja) デイジタル映像信号処理装置
JPH04501646A (ja) 完全集積化ディジタルｆｍ弁別器
CA2042797A1 (en) Delay detecting circuit for phase shift keying modulated signals
US4137549A (en) DPCM Coding apparatus
JP2891602B2 (ja) ディジタル・シンセサイザ
JPS6022733Y2 (ja) 車輛制御装置用受信器
JPH09312549A (ja) レート変換回路
JPH0129341B2 (enrdf_load_stackoverflow)
JP2972447B2 (ja) データ転送回路
KR0142119B1 (ko) 집적화에 적합한 사인파타입 보간회로
JPH0548432A (ja) １／３分周回路
KR920014273A (ko) 디지탈 영상 재생기기의 칼라 인핸스 회로
JP2503684B2 (ja) 映像縮小回路
JP2581254B2 (ja) 逓倍器

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19881208

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19881208

Comment text: Request for Examination of Application

PG1501 Laying open of application
G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19920803

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19921120

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19930120

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19930120

End annual number: 3

Start annual number: 1

PR1001 Payment of annual fee

Payment date: 19950821

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 19960826

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 19970826

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 19971229

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 19990825

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20000829

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20010830

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20020829

Start annual number: 11

End annual number: 11

PR1001 Payment of annual fee

Payment date: 20030901

Start annual number: 12

End annual number: 12

PR1001 Payment of annual fee

Payment date: 20040901

Start annual number: 13

End annual number: 13

PR1001 Payment of annual fee

Payment date: 20050831

Start annual number: 14

End annual number: 14

PR1001 Payment of annual fee

Payment date: 20060831

Start annual number: 15

End annual number: 15

PR1001 Payment of annual fee

Payment date: 20070828

Start annual number: 16

End annual number: 16

FPAY Annual fee payment

Payment date: 20080813

Year of fee payment: 17

PR1001 Payment of annual fee

Payment date: 20080813

Start annual number: 17

End annual number: 17

EXPY Expiration of term
PC1801 Expiration of term